Key result
The RAI-Rev demonstrated significantly superior predictive discrimination compared with the mFI-5 for predicting 30-day mortality (C-statistic 0.84 vs 0.67, P < 0.001) in orthopaedic trauma patients.
Why the study?
The study was conducted to determine the applicability of the Revised Risk Analysis Index in orthopaedic trauma and compare its predictive discrimination to the 5-Item Modified Frailty Index for 30-day postoperative outcomes.
Does the RAI-Rev provide superior predictive discrimination compared to the mFI-5 for 30-day postoperative outcomes in orthopaedic trauma patients?
Population
206,352 patients aged 18 or older undergoing surgery for orthopaedic fractures
Comparison
Revised Risk Analysis Index (RAI-Rev) vs 5-Item Modified Frailty Index (mFI-5)
Design
Retrospective cohort study
Follow-up
30 days
Authors
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RAI-Rev may aid risk stratification over mFI-5 for mortality and complications in trauma; leaves open prospective validation before clinical adoption.
Cohort (n=206,352)
Yes
Does the RAI-Rev provide superior predictive discrimination compared to the mFI-5 for 30-day postoperative outcomes in orthopaedic trauma patients?
Absolute Event Rate: 0.84% vs 0.67%
p-value: p=<0.001
The RAI-Rev demonstrates superior predictive discrimination for 30-day mortality, major complications, and readmission compared to the mFI-5 in orthopaedic trauma patients.
Soni et al. (2025) conducted a cohort in Orthopaedic trauma (n=206,352). Revised Risk Analysis Index (RAI-Rev) vs. 5-Item Modified Frailty Index (mFI-5) was evaluated on Predictive discrimination (C-statistic) for 30-day mortality (p=<0.001). The RAI-Rev demonstrated significantly superior predictive discrimination compared with the mFI-5 for predicting 30-day mortality (C-statistic 0.84 vs 0.67, P < 0.001) in orthopaedic trauma patients.
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